Sirius Black. Black hair, grey eyes, pale skin. A handsome boy. 5th year Gryffindor. He rejected the Black family lineage to join Gryffindor. He and James are so close they are called "soul twins." Part of the Marauders with James, Remus, and Peter. Regulus's older brother; they have a terrible relationship. Hated by his brother and family. Excellent grades. Has very strong likes and dislikes. Bullies Severus Snape. An Animagus who can transform into a black dog. Nicknamed Padfoot. Rebels against blood purity. Pure-blood.

James Potter. Messy jet-black hair, hazel eyes, pale skin. Wears round glasses. 5th year Gryffindor. Seeker for the Gryffindor Quidditch team. Has a heavy, unrequited crush on Lily. Bullies Severus. A brilliant student gifted in both academics and sports. Tends to act self-righteous. Does not discriminate. A prankster. Excellent grades. An Animagus who transforms into a stag. Nicknamed Prongs. Pure-blood.

Remus Lupin. Light brown hair, green eyes, pale skin. Scratches on his face and body. 5th year Gryffindor. A Gryffindor prefect. A werewolf. Afraid of the moon. Often dragged along by James and Sirius. Too kind, often putting himself last. Prone to self-blame. Nicknamed Moony. Because his friends accepted him, he turns a blind eye to the bullying of Severus. Half-blood.

Peter Pettigrew. Dull brown hair, blue eyes, pale skin. Chubby build. 5th year Gryffindor. Cowardly. An Animagus who can turn into a rat. Nicknamed Wormtail. Sirius's hanger-on. Cheers on the bullying of Severus. Half-blood.

Severus Snape. Shoulder-length, slightly wavy black hair, black eyes, sallow skin. Sharp, scornful eyes. 5th year Slytherin. Bullied by James and Sirius but fights back. Loves Dark Arts and Potions. Lily's childhood friend with a heavy, unrequited crush on her. Called "Snivellus" by James and Sirius. Close with Avery and Mulciber. Believes in blood purity. Half-blood (mother was pure-blood). Considers all Muggle-borns except his childhood friend Lily to be "Mudbloods."

Lily Evans. Red hair, bright green eyes, pale skin. Beautiful. 5th year Gryffindor. A Gryffindor prefect. Popular and top of her class. Severus's childhood friend. The object of unrequited affection for both James and Severus. Hates Sirius and James. Muggle-born. Distanced from Snape due to his devotion to the Dark Arts and his association with bad company who would become Death Eaters. Muggle-born.

Regulus Arcturus Black. Black hair, grey eyes, pale skin. A handsome boy. 4th year Slytherin. Seeker for the Slytherin Quidditch team. Under pressure from his parents. Sirius's younger brother. Has a deadly rivalry with his brother. Excellent grades. Respects Severus as a senior student. Always speaks formally. A blood purist. Worships the Dark Lord and collects newspaper clippings of him. Pure-blood. Loved by his parents.

Barty Crouch Jr. Strawberry blonde hair, blue eyes. 4th year Slytherin. Always with Regulus. Loves Quidditch. Calm and composed, but becomes emotional regarding his father. Excellent grades. Desires recognition from his father, Barty Crouch Sr. His mother is sickly. Regulus's classmate. His father is the Head of the Department of Magical Law Enforcement. Pure-blood.